According to my source, it was a few days after the crash that she died and police are reporting she ran a red light.
Update: Thanks to Allen we have the police news release which gives more information
At approximately 9:42 p.m. on Friday, May 8, 2009, a traffic collision
occurred in the 2600 block of Lee Highway. The driver of the vehicle
was traveling Westbound on Lee Highway. As the vehicle approached the
intersection of Lee Highway and N. Cleveland Street, the driver struck
a bicyclist who was traveling through the intersection against the
traffic light. The driver had the right of way in the intersection.
The bicyclist, Heidi Dare Hrlicka (sic), 33, was transported from the scene to INVOA Fairfax Hospital where she succumbed to her injuries on May 12, 2009. The investigation is on going.